grey hair glutathione does cause Gray & Your Health: More Than Just Aging? Did you know glutathione reverse grey hair isn't

Gene modulation is another significant mechanism of GHK-Cu

Side effects like nausea or headaches have been reported by some users

DOI: 10.1210/jc.2005-1536 Ionescu M & Frohman LA (2006) Pulsatile Secretion of GH Persists During Continuous Stimulation by CJC-1295 J Clin Endocrinol Metab 91(12):47924797

You should never stop or adjust the dose yourself though, always speak to your doctor first

Supplementation with SA delivered by aceneuramic acid extended release stabilized muscle strength in GNE myopathy patients 7 , however, this study did not demonstrate a statistically significant difference in the muscle strength of patients compared to placebo and hence, discontinued from clinical trials (Ultragenyx, 2017)